$600Median
53Sold (12 mo)
$535Last sale
2
Brochantite
2
Help improve this record
No owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.
Brochantite - copper sulphate hydroxide - is one of the rarer species recorded at the famous Roughton Gill area in the Caldbeck Fells, Cumbria, England. This larger specimen is an extremely early one, and despite being originally labelled as from "Cumberland" (the early name for the county of Cumbria) it has all the hallmarks of being from Roughton Gill. It was owned by Thomas Bellerby Wilson (1807-1865) one of the benefactors to the Philadelphia Academy of Sciences in the United States. It is highly likely that he obtained it from the famous British mineral dealer Bryce Wright Sr. (1814-1875) who specialized in Caldbeck Fells minerals and who was responsible for all of the famous early finds. Upon it, very visible deep emerald-green Brochantite forms sharp, glossy microcrystals in cavities and is dispersed as stains and infilling veinlets permeating through Quartz veinstone. The Quartz shows bladed textures indicative of replacement of Baryte (well-known from Roughton Gill) and one area shows pale green spherules of probable Tsumebite and rare yellow globular microcrystals of Pyromorphite. Ex Dr Stephen Crook Collection, it comes with two old Philadelphia Academy of Sciences labels.
Product details
SpeciesBrochantite, Quartz, Tsumebite
SizeCabinet
Dimensions12.7 x 8.8 x 5.8 cm
Added on06/07/2026
LocalityUK, England, Roughton Gill Mine
Current owner
Unknown Owner
- Acquired
- Jul 2026
- Price paid
- $950.00
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Crystal Classics | Not disclosed |
Learn more
Mineral guide
Learn about Brochantite
emerald-green prisms and silky sprays of a copper sulfate hydroxide; valued for vivid color, varied crystal habits, and copper-collection appeal.Regional guide
Comments